document.write( "Question 332440: a building 80 feet high casts a shadow of 20 feet. a nearby building casts a shadow of 40 feet. how tall is the second building \n" ); document.write( "
Algebra.Com's Answer #238375 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
a building 80 feet high casts a shadow of 20 feet.
\n" ); document.write( " a nearby building casts a shadow of 40 feet.
\n" ); document.write( " how tall is the second building
\n" ); document.write( ":
\n" ); document.write( "let b = ht of the 2nd building
\n" ); document.write( ":
\n" ); document.write( "Use ratio equation
\n" ); document.write( "\"b%2F80\" = \"40%2F20\"
\n" ); document.write( "20b = 3200
\n" ); document.write( "b = 160 ft
\n" ); document.write( "
\n" );